Handle unit for radiation detecting probe



FIG. 1 is a side elevational view of the handle unit for the radiation detecting probe showing my new design, the opposite side being identical thereto;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear view thereof.

The broken line showing is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for handle unit for radiation detecting probe, as shown. 